Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

slidebooks.com

Management Consulting Templates & Toolkits | Domont Consulting

Page Load Speed

6.8 sec in total

First Response

207 ms

Resources Loaded

2.8 sec

Page Rendered

3.8 sec

About Website

Click here to check amazing Slidebooks content for United States. Otherwise, check out these important facts you probably never knew about slidebooks.com

Leverage Management Consulting Toolkits created by ex-McKinsey, Deloitte & BCG Consultants. Improve the Growth & Efficiency of your Organization.

Visit slidebooks.com

Key Findings

We analyzed Slidebooks.com page load time and found that the first response time was 207 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

slidebooks.com performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value16.0 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value3,370 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.282

43/100

15%

TTI (Time to Interactive)

Value32.6 s

0/100

10%

Network Requests Diagram

www.domontconsulting.com

207 ms

insight.min.js

85 ms

flickity.min.css

99 ms

styles.css

54 ms

manic_style-v2.css

62 ms

Our browser made a total of 319 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Slidebooks.com, 2% (7 requests) were made to Cdn.shopify.com and 1% (4 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (488 ms) relates to the external source Web.archive.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 612.6 kB (13%)

Content Size

4.9 MB

After Optimization

4.3 MB

In fact, the total size of Slidebooks.com main page is 4.9 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only a small number of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 353.9 kB

  • Original 426.3 kB
  • After minification 360.9 kB
  • After compression 72.3 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 65.4 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 353.9 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 244.8 kB

  • Original 4.1 MB
  • After minification 3.8 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Slidebooks images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 8.1 kB

  • Original 303.6 kB
  • After minification 303.6 kB
  • After compression 295.5 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-6%

Potential reduce by 5.8 kB

  • Original 89.2 kB
  • After minification 89.2 kB
  • After compression 83.4 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Slidebooks.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 112 (36%)

Requests Now

312

After Optimization

200

The browser has sent 312 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Slidebooks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

slidebooks.com accessibility score

51

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

slidebooks.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

slidebooks.com SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Slidebooks.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Slidebooks.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of Slidebooks. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: